High spectral and spatial resolution observations of the PDR emission in the NGC 2023 reflection nebula with SOFIA and APEX

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Table 3

Results of comparison of observed intensity ratios with PDR model calculations.

Position	Component #	n _H	G ₀ ^a
		10⁴ cm^-3	10³(Habing field)

(0, 0)	1	5.2	175
(30, 15)	1	1.2−5.2	24.7
(30, 15)	2	8.8	24.7
(45, −45)	1	2.7−49.8	7.2
(45, −45)	2	3.0−14.2	7.2
(60, −60)	2	11.7	4.1
(−13, −79)	3	1.7−23.1	4.2
(53, −13)	2	4.5−19.0	9.2
(23, −60)	1	3.9−13.6	7.2
(−50, 53)	2	5.2	5.3
(−50, 53)	3	2.0	5.3
(17,113)	1	2.1	2.2

Notes. Positions are given as offsets in arcseconds relative to HD 37903.

^(a)

Estimated from stellar parameters as explained in the text.

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